AR247257A1 - Procedimiento para el blanqueo y la deslignificacion de pastas de papel quimicas y aplicacion de este procedimiento al blanqueo y a la deslignificacion de las pastas kraft y de las pastas asam - Google Patents

Procedimiento para el blanqueo y la deslignificacion de pastas de papel quimicas y aplicacion de este procedimiento al blanqueo y a la deslignificacion de las pastas kraft y de las pastas asam

Info

Publication number
AR247257A1
AR247257A1 AR92322455A AR32245592A AR247257A1 AR 247257 A1 AR247257 A1 AR 247257A1 AR 92322455 A AR92322455 A AR 92322455A AR 32245592 A AR32245592 A AR 32245592A AR 247257 A1 AR247257 A1 AR 247257A1
Authority
AR
Argentina
Prior art keywords
bleaching
paper pulp
chemical paper
stage
delignifying chemical
Prior art date
Application number
AR92322455A
Other languages
English (en)
Spanish (es)
Original Assignee
Interox Internat S A
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Interox Internat S A filed Critical Interox Internat S A
Application granted granted Critical
Publication of AR247257A1 publication Critical patent/AR247257A1/es

Links

Classifications

    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21C—PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
    • D21C9/00—After-treatment of cellulose pulp, e.g. of wood pulp, or cotton linters ; Treatment of dilute or dewatered pulp or process improvement taking place after obtaining the raw cellulosic material and not provided for elsewhere
    • D21C9/10—Bleaching ; Apparatus therefor
    • D21C9/1057—Multistage, with compounds cited in more than one sub-group D21C9/10, D21C9/12, D21C9/16
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21C—PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
    • D21C9/00—After-treatment of cellulose pulp, e.g. of wood pulp, or cotton linters ; Treatment of dilute or dewatered pulp or process improvement taking place after obtaining the raw cellulosic material and not provided for elsewhere
    • D21C9/10—Bleaching ; Apparatus therefor
    • D21C9/147—Bleaching ; Apparatus therefor with oxygen or its allotropic modifications
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21C—PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
    • D21C9/00—After-treatment of cellulose pulp, e.g. of wood pulp, or cotton linters ; Treatment of dilute or dewatered pulp or process improvement taking place after obtaining the raw cellulosic material and not provided for elsewhere
    • D21C9/10—Bleaching ; Apparatus therefor
    • D21C9/147—Bleaching ; Apparatus therefor with oxygen or its allotropic modifications
    • D21C9/153—Bleaching ; Apparatus therefor with oxygen or its allotropic modifications with ozone
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21C—PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
    • D21C9/00—After-treatment of cellulose pulp, e.g. of wood pulp, or cotton linters ; Treatment of dilute or dewatered pulp or process improvement taking place after obtaining the raw cellulosic material and not provided for elsewhere
    • D21C9/10—Bleaching ; Apparatus therefor
    • D21C9/16—Bleaching ; Apparatus therefor with per compounds
    • D21C9/166—Bleaching ; Apparatus therefor with per compounds with peracids

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Paper (AREA)
AR92322455A 1991-06-06 1992-06-02 Procedimiento para el blanqueo y la deslignificacion de pastas de papel quimicas y aplicacion de este procedimiento al blanqueo y a la deslignificacion de las pastas kraft y de las pastas asam AR247257A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
BE9100549A BE1004974A3 (fr) 1991-06-06 1991-06-06 Procede pour le blanchiment et la delignification de pates a papier chimiques et application de ce procede au blanchiment et a la delignification des pates kraft et des pates asam.

Publications (1)

Publication Number Publication Date
AR247257A1 true AR247257A1 (es) 1994-11-30

Family

ID=3885547

Family Applications (1)

Application Number Title Priority Date Filing Date
AR92322455A AR247257A1 (es) 1991-06-06 1992-06-02 Procedimiento para el blanqueo y la deslignificacion de pastas de papel quimicas y aplicacion de este procedimiento al blanqueo y a la deslignificacion de las pastas kraft y de las pastas asam

Country Status (16)

Country Link
EP (1) EP0587822B1 (fr)
JP (1) JPH06507683A (fr)
AR (1) AR247257A1 (fr)
AT (1) ATE127179T1 (fr)
AU (1) AU651462B2 (fr)
BE (1) BE1004974A3 (fr)
BR (1) BR9206112A (fr)
CA (1) CA2110698A1 (fr)
DE (1) DE69204457T2 (fr)
ES (1) ES2079209T3 (fr)
FI (1) FI935422L (fr)
NO (1) NO302129B1 (fr)
NZ (1) NZ242996A (fr)
WO (1) WO1992021814A1 (fr)
YU (1) YU48264B (fr)
ZA (1) ZA924021B (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE1006881A3 (fr) * 1993-03-02 1995-01-17 Solvay Interox Procede pour la delignification d'une pate a papier chimique.
SE506480C2 (sv) * 1995-06-29 1997-12-22 Sca Graphic Res Ab Blekning av lignocellulosahaltigt fibermaterial med ozon och persyra i ett kombinationssteg
US5770011A (en) * 1995-11-17 1998-06-23 International Paper Company Neutral monoperoxysulfate bleaching process
FI964715A7 (fi) * 1996-11-26 1998-05-27 Oy Keskuslaboratorio Centrallaboratorium Ab Menetelmä selluloosamassan valkaisemiseksi
EP0931874A1 (fr) * 1998-01-22 1999-07-28 Degussa-Hüls Aktiengesellschaft Procédé pour le blanchiment d'une pâte comprenant une étape finale de traitement avec un sel de l'acide peroxymonosulfurique

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4372812A (en) * 1978-04-07 1983-02-08 International Paper Company Chlorine free process for bleaching lignocellulosic pulp
US5091054A (en) * 1989-08-18 1992-02-25 Degussa Corporation Process for bleaching and delignification of lignocellulosic

Also Published As

Publication number Publication date
BE1004974A3 (fr) 1993-03-09
AU1877592A (en) 1993-01-08
DE69204457T2 (de) 1996-04-18
YU48264B (sh) 1997-09-30
ZA924021B (en) 1993-02-24
EP0587822B1 (fr) 1995-08-30
NO934406D0 (no) 1993-12-03
EP0587822A1 (fr) 1994-03-23
ES2079209T3 (es) 1996-01-01
NO934406L (no) 1994-01-26
ATE127179T1 (de) 1995-09-15
CA2110698A1 (fr) 1992-12-10
JPH06507683A (ja) 1994-09-01
FI935422A0 (fi) 1993-12-03
NZ242996A (en) 1995-01-27
BR9206112A (pt) 1995-10-10
AU651462B2 (en) 1994-07-21
NO302129B1 (no) 1998-01-26
YU58792A (sh) 1994-09-09
FI935422A7 (fi) 1994-01-11
DE69204457D1 (de) 1995-10-05
WO1992021814A1 (fr) 1992-12-10
FI935422L (fi) 1994-01-11

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